synfig-studio/trunk/src/synfigapp/actions/activepointset.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointset.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "activepointset.h"
  33 #include <synfigapp/canvasinterface.h>
  34
  35 #include <synfigapp/general.h>
  36
  37 #endif
  38
  39 using namespace std;
  40 using namespace etl;
  41 using namespace synfig;
  42 using namespace synfigapp;
  43 using namespace Action;
  44
  45 /* === M A C R O S ========================================================= */
  46
  47 ACTION_INIT(Action::ActivepointSet);
  48 ACTION_SET_NAME(Action::ActivepointSet,"activepoint_set");
  49 ACTION_SET_LOCAL_NAME(Action::ActivepointSet,N_("Set Activepoint"));
  50 ACTION_SET_TASK(Action::ActivepointSet,"set");
  51 ACTION_SET_CATEGORY(Action::ActivepointSet,Action::CATEGORY_ACTIVEPOINT);
  52 ACTION_SET_PRIORITY(Action::ActivepointSet,0);
  53 ACTION_SET_VERSION(Action::ActivepointSet,"0.0");
  54 ACTION_SET_CVS_ID(Action::ActivepointSet,"$Id$");
  55
  56 /* === G L O B A L S ======================================================= */
  57
  58 /* === P R O C E D U R E S ================================================= */
  59
  60 /* === M E T H O D S ======================================================= */
  61
  62 Action::ActivepointSet::ActivepointSet()
  63 {
  64         set_dirty(true);
  65 }
  66
  67 Action::ParamVocab
  68 Action::ActivepointSet::get_param_vocab()
  69 {
  70         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  71
  72         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  73                 .set_local_name(_("ValueDesc"))
  74         );
  75
  76         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  77                 .set_local_name(_("Activepoint"))
  78                 .set_desc(_("Activepoint to be changed"))
  79                 .set_supports_multiple()
  80         );
  81
  82         return ret;
  83 }
  84
  85 bool
  86 Action::ActivepointSet::is_candidate(const ParamList &x)
  87 {
  88         if (!candidate_check(get_param_vocab(),x))
  89                 return false;
  90
  91         ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  92
  93         return (value_desc.parent_is_value_node() &&
  94                         // We need a dynamic list.
  95                         ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
  96 }
  97
  98 bool
  99 Action::ActivepointSet::set_param(const synfig::String& name, const Action::Param &param)
 100 {
 101         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 102         {
 103                 ValueDesc value_desc(param.get_value_desc());
 104
 105                 if(!value_desc.parent_is_value_node())
 106                         return false;
 107
 108                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 109
 110                 if(!value_node)
 111                         return false;
 112
 113                 index=value_desc.get_index();
 114
 115                 return true;
 116         }
 117         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
 118         {
 119                 //NOTE: there is no duplication checking at the moment
 120                 activepoints.push_back(param.get_activepoint());
 121
 122                 return true;
 123         }
 124
 125         return Action::CanvasSpecific::set_param(name,param);
 126 }
 127
 128 bool
 129 Action::ActivepointSet::is_ready()const
 130 {
 131         if(!value_node || activepoints.empty())
 132                 return false;
 133         return Action::CanvasSpecific::is_ready();
 134 }
 135
 136 void
 137 Action::ActivepointSet::perform()
 138 {
 139         typedef ValueNode_DynamicList::ListEntry::ActivepointList AList;
 140         AList::iterator iter;
 141
 142 #if 1
 143         vector<AList::iterator> iters;
 144         vector<Activepoint>::iterator i = activepoints.begin(), end = activepoints.end();
 145
 146         for(; i != end; ++i)
 147         {
 148                 try { iters.push_back(value_node->list[index].find(*i)); }
 149                 catch(synfig::Exception::NotFound)
 150                 {
 151                         throw Error(_("Unable to find activepoint"));
 152                 }
 153         }
 154
 155         //check to see which valuenodes are going to override because of the time...
 156         ValueNode_DynamicList::ListEntry::findresult timeiter;
 157
 158         for(i = activepoints.begin(); i != end; ++i)
 159         {
 160                 timeiter = value_node->list[index].find_time(i->get_time());
 161
 162                 bool candelete = timeiter.second;
 163
 164                 //we only want to track overwrites (not activepoints that are also being modified)
 165                 if(candelete)
 166                 {
 167                         for(vector<AList::iterator>::iterator ii = iters.begin(); ii != iters.end(); ++ii)
 168                         {
 169                                 if(timeiter.first == *ii)
 170                                 {
 171                                         candelete = false;
 172                                         break;
 173                                 }
 174                         }
 175                 }
 176
 177                 //if we can still delete it after checking, record it, and then remove them all later
 178                 if(candelete)
 179                 {
 180                         Activepoint a = *timeiter.first;
 181                         overwritten_activepoints.push_back(a);
 182                 }
 183         }
 184
 185         //overwrite all the valuenodes we're supposed to set
 186         {
 187                 i = activepoints.begin();
 188                 for(vector<AList::iterator>::iterator ii = iters.begin(); ii != iters.end() && i != end; ++ii, ++i)
 189                 {
 190                         old_activepoints.push_back(**ii);
 191                         **ii = *i; //set the point to the corresponding point in the normal waypoint list
 192                 }
 193         }
 194
 195         //remove all the points we're supposed to be overwriting
 196         {
 197                 vector<Activepoint>::iterator   oi = overwritten_activepoints.begin(),
 198                                                                                 oend = overwritten_activepoints.end();
 199                 for(; oi != oend; ++oi)
 200                 {
 201                         value_node->list[index].erase(*oi);
 202                 }
 203         }
 204
 205 #else
 206         try { iter=value_node->list[index].find(activepoint); }
 207         catch(synfig::Exception::NotFound)
 208         {
 209                 throw Error(_("Unable to find activepoint"));
 210         }
 211
 212         //find the value at the old time before we replace it
 213         ValueNode_DynamicList::ListEntry::findresult timeiter;
 214         timeiter = value_node->list[index].find_time(activepoint.get_time());
 215
 216         //we only want to track overwrites (not inplace modifications)
 217         if(timeiter.second && activepoint.get_uid() == timeiter.first->get_uid())
 218         {
 219                 timeiter.second = false;
 220         }
 221
 222         old_activepoint=*iter;
 223         *iter=activepoint;
 224
 225         if(timeiter.second)
 226         {
 227                 synfig::info("Erasing the found activepoint");
 228                 time_overwrite = true;
 229                 overwritten_ap = *timeiter.first;
 230
 231                 value_node->list[index].erase(overwritten_ap);
 232         }
 233
 234 #endif
 235
 236         value_node->list[index].timing_info.sort();
 237
 238         // Signal that a valuenode has been changed
 239         value_node->changed();
 240 }
 241
 242 void
 243 Action::ActivepointSet::undo()
 244 {
 245         ValueNode_DynamicList::ListEntry::ActivepointList::iterator iter;
 246
 247 #if 1
 248         vector<Activepoint>::iterator i = old_activepoints.begin(), end = old_activepoints.end();
 249
 250         for(; i != end; ++i)
 251         {
 252                 try { iter = value_node->list[index].find(*i); }
 253                 catch(synfig::Exception::NotFound)
 254                 {
 255                         throw Error(_("Unable to find activepoint"));
 256                 }
 257
 258                 //overwrite with old one
 259                 *iter = *i;
 260         }
 261
 262         //add back in all the points that we removed before...
 263         {
 264                 vector<Activepoint>::iterator   oi = overwritten_activepoints.begin(),
 265                                                                                 oend = overwritten_activepoints.end();
 266                 for(; oi != oend; ++oi)
 267                 {
 268                         value_node->list[index].add(*oi);
 269                 }
 270         }
 271
 272 #else
 273         try { iter=value_node->list[index].find(activepoint); }
 274         catch(synfig::Exception::NotFound)
 275         {
 276                 throw Error(_("Unable to find activepoint"));
 277         }
 278
 279         *iter=old_activepoint;
 280
 281         if(time_overwrite)
 282         {
 283                 value_node->list[index].add(overwritten_ap);
 284         }
 285 #endif
 286
 287         value_node->list[index].timing_info.sort();
 288
 289         // Signal that a valuenode has been changed
 290         value_node->changed();
 291 }